3-d

Related Questions

• The co-ordinates of points $A,B,C,D$are (a, 2, 1), (1, –1, 1), (2, – 3, 4) and (a+1, a+2, a+3) respectively. If $AB=5$and $CD=6$, then $a=$

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• The plane $\frac{x}{a}+\frac{y}{b}+\frac{z}{c}=3$ meets the co-ordinate axes in $A,B,C$ . The centroid of the triangle ABC is

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• The line $\frac{x+3}{3}=\frac{y-2}{-2}=\frac{z+1}{1}$ and the plane $4x+5y+3z-5=0$ intersect at a point

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• The distance of the plane $6x-3y+2z-14=0$ from the origin is

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• The triangle formed by the points (0, 7, 10), (–1, 6, 6), (– 4, 9, 6) is

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